djavu-asus/emacs/elpa/jabber-20230715.456/jabber-ping.el

   1 ;; jabber-ping.el - XMPP "Ping" by XEP-0199  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2009 - Evgenii Terechkov - evg@altlinux.org
   4
   5 ;; This file is a part of jabber.el.
   6
   7 ;; This program is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation; either version 2 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; This program is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with this program; if not, write to the Free Software
  19 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20
  21 (require 'jabber-iq)
  22 (require 'jabber-util)
  23 (require 'jabber-menu)
  24 (require 'jabber-disco)
  25
  26 (add-to-list 'jabber-jid-info-menu
  27              (cons "Ping" 'jabber-ping))
  28
  29 (defun jabber-ping-send (jc to process-func on-success on-error)
  30   "Send XEP-0199 ping IQ stanza.
  31 JC is connection to use, TO is full JID, PROCESS-FUNC is fucntion to call to
  32 process result, ON-SUCCESS and ON-ERROR is arg for this function depending on
  33 result."
  34   (jabber-send-iq jc to "get"
  35                   '(ping ((xmlns . "urn:xmpp:ping")))
  36                   process-func on-success
  37                   process-func on-error))
  38
  39 (defun jabber-ping (to)
  40   "Ping XMPP entity.
  41 TO is full JID.  All connected JIDs is used."
  42   (interactive (list (jabber-read-jid-completing "Send ping to: " nil nil nil 'full)))
  43   (dolist (jc jabber-connections)
  44     (jabber-ping-send jc to 'jabber-silent-process-data 'jabber-process-ping "Ping is unsupported")))
  45
  46 ;; called by jabber-process-data
  47 (defun jabber-process-ping (jc xml-data)
  48   "Handle results from ping requests.
  49
  50 JC is the Jabber connection.
  51 XML-DATA is the parsed tree data from the stream (stanzas)
  52 obtained from `xml-parse-region'."
  53   (let ((to (jabber-xml-get-attribute xml-data 'from)))
  54     (format "%s is alive" to)))
  55
  56 (add-to-list 'jabber-iq-get-xmlns-alist (cons "urn:xmpp:ping" 'jabber-pong))
  57 (jabber-disco-advertise-feature "urn:xmpp:ping")
  58
  59 (defun jabber-pong (jc xml-data)
  60   "Return pong as defined in XEP-0199.
  61 Sender and Id are determined from the incoming packet passed in XML-DATA.
  62
  63 JC is the Jabber connection.
  64 XML-DATA is the parsed tree data from the stream (stanzas)
  65 obtained from `xml-parse-region'."
  66   (let ((to (jabber-xml-get-attribute xml-data 'from))
  67         (id (jabber-xml-get-attribute xml-data 'id)))
  68     (jabber-send-iq jc to "result" nil nil nil nil nil id)))
  69
  70 (provide 'jabber-ping)